9999971domain: NPropertiesPrimalityPrimeyesAppears in sequencesLesser of the greatest twin prime pair with n digits.at n=6A092250Largest n-digit prime whose digit reversal is also prime.at n=6A114019Largest n-digit emirp (A006567) with nonincreasing digits.at n=5A127828Largest n-digit prime whose digit sum is also prime.at n=6A249448Prime numbersat n=664577